//<![CDATA[
/**
 * 复制内容到剪贴板
 * @param copy
 * @returns {Boolean}
 */
function copyToClipboard(copy) {
	if (window.clipboardData) {
		window.clipboardData.setData("Text", copy);
	} else if (window.netscape) {
		try {
			netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
		} catch (e) {
			alert("被浏览器拒绝！\n请在浏览器地址栏输入[about:config]并回车\n然后将[signed.applets.codebase_principal_support]属性设置为[true]");
		}
		var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
		if (!clip) {
			return;
		}
		var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);
		if (!trans) {
			return;
		}
		trans.addDataFlavor('text/unicode');
		var str = new Object();
		var len = new Object();
		var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);
		var copytext = copy;
		str.data = copytext;
		trans.setTransferData("text/unicode",str,copytext.length*2);
		var clipid = Components.interfaces.nsIClipboard;
		if (!clip) {
			return false;
		}
		clip.setData(trans,null,clipid.kGlobalClipboard);
	}
	alert("已复制代码到剪贴板");
	return false;
}
//]]>